Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

In forced air-dring method the moisture moves from

A. Grain to air
B. Centre to grain surface
C. Air to grain
D. All are correct
Answer» B. Centre to grain surface
2.

Useful life of stationary engine is

A. 8 years
B. 10 years
C. 12 years
D. 15 years
Answer» C. 12 years
3.

Specific gravity measured by an instrument is

A. Hydrometer
B. Hygrometer
C. Thermometer
D. All are correct
Answer» B. Hygrometer
4.

The optimum engine temperature is about

A. 60 deg.
B. 82 deg.
C. 100 deg.
D. 120 deg.
Answer» C. 100 deg.
5.

Graded terraces are used in the areas of

A. Medium to high rainfall
B. High rainfall, only
C. Medium rainfall, only
D. None of these
Answer» B. High rainfall, only
6.

A conventional pitman drive mower has crank speed of

A. 750-900 rpm
B. 850-1100 rpm
C. 850-1250 rpm
D. 900-1200 rpm
Answer» C. 850-1250 rpm
7.

The cutting height of reaper binder from ground is about

A. 5 cm
B. 10 cm
C. 15 cm
D. 20 cm
Answer» C. 15 cm
8.

The ratio of output power to input power for a traction device is called

A. Mechanical efficiency
B. Thermal efficiency
C. Tractive efficiency
D. None of these
Answer» D. None of these
9.

Land plane is ideally suited for

A. Land leveling
B. Earth moving
C. Final grading
D. Top finishing
Answer» E.
10.

The process of separation of grain from a mixture of grain and chaff is

A. Cleaning
B. Winnowing
C. Separation
D. Grading
Answer» C. Separation
11.

The metering mechanism used in potato planter is

A. Fluted roller
B. Brush feed type
C. Picker wheel type
D. Cell feed type
Answer» D. Cell feed type
12.

Share of mould board plough is made of

A. Cast iron
B. Mild steel
C. C-1095 sold steel
D. All are correct
Answer» D. All are correct
13.

The fuel injection pressure of CI engine ranges from

A. 10 to 45 kg/cm2
B. 50 to 120 kg/cm2
C. 120 to 175 kg/cm2
D. 100 to 300 kg/cm2
Answer» D. 100 to 300 kg/cm2
14.

Tank capacity of compression sprayer is

A. 10 litres
B. 12 litres
C. 14 litres
D. 20 litres
Answer» D. 20 litres
15.

A Persian wheel with an average discharge of 230 lit/min irrigates one-hectare wheat crop in 50 hours. The average depth of irrigation is

A. 6.9 cm
B. 7.2 cm
C. 9.0 cm
D. 9.6 cm
Answer» B. 7.2 cm
16.

In pneumatic seed drill, seeds are released in the furrow under

A. Gravity
B. Pressure
C. Both (a) & (b)
D. None of these
Answer» C. Both (a) & (b)
17.

A harrow with two gangs placed end to end is

A. Offset disc harrow
B. Tandem disc: harrow
C. Single action disc harrow
D. Double action disc harrow
Answer» D. Double action disc harrow
18.

The ISI standard pan evaporimeter is the

A. Same as US class A an
B. Has average pan coefficient 0.7
C. Both (a) and (b)
D. None of these
Answer» D. None of these
19.

The specific fuel consumption of diesel engine is

A. More than petrol engine
B. Less than petrol engine
C. Equal to petrol engine
D. None of these
Answer» C. Equal to petrol engine
20.

The first nuclear power station came into operation (1957) at

A. IEA
B. England
C. Germany
D. China
Answer» B. England
21.

Depreciation of machine is computed on its

A. Fixed cost
B. Operating cost
C. repair and maintenance cost
D. All are correct
Answer» B. Operating cost
22.

The blower of pneumatic seed drill is operated by

A. Tractor PTO
B. Tractor hydraulic
C. Chain and sprocket
D. Gear operated
Answer» B. Tractor hydraulic
23.

During fruit juice canning, pasteurization is done at the temperature of

A. 71?C
B. 74?C
C. 78?C
D. 80?C
Answer» C. 78?C
24.

Detachability of soil particle increases with

A. Decreasing median grain size
B. Increasing medium grain size
C. Both (a) and (b)
D. None of these
Answer» B. Increasing medium grain size
25.

The movement of water in seepage is

A. Downward
B. Lateral
C. Both (a) and (b)
D. None of these
Answer» D. None of these
26.

The motor of ultra low volume sprayer is powered by battery of

A. 3?6 volt
B. 6-12 volt
C. 12-18 volt
D. 12-24 volt
Answer» C. 12-18 volt
27.

Mass density decreases with

A. Temperature increase
B. Temperature decrease
C. Both (a) & (b)
D. None of these
Answer» B. Temperature decrease
28.

The advantage of air injection system is

A. Good atomization
B. Good mixing of air fuel
C. Injection of heavy and viscous fuels
D. All are correct
Answer» E.
29.

The screw conveyours are generally used to move grains

A. Vertically
B. Horizontally
C. At 45? inclination
D. All are correct
Answer» C. At 45? inclination
30.

The part of MB plough to which all other parts of plough bottom is attached is

A. Mould board
B. Land side
C. Frog
D. Coulter
Answer» D. Coulter
31.

The camshaft gear is called

A. Two time gear
B. One time gear
C. Halftime gear
D. None of these
Answer» D. None of these
32.

A special type of harrow with curved knives is

A. Spike tooth harrow
B. Spring type harrow
C. Patela harrow
D. Acme harrow
Answer» E.
33.

Calorific value of hydrogen gas is

A. 50 KJ/kg
B. 100 KJ/kg
C. 150 KJ/kg
D. 180 KJ/kg
Answer» D. 180 KJ/kg
34.

The specific gravity of high-speed diesel is

A. 0.73
B. 0.87
C. 0.92
D. 0.95
Answer» C. 0.92
35.

The firing interval of 2-stroke engine is determined by

A. 180?/No. of cylinder
B. 270?/No. of cylinder
C. 360?/No. of cylinder
D. 720?/No. of cylinder
Answer» D. 720?/No. of cylinder
36.

A mirror used to reflect sublight in box type solar cooker is

A. Convex
B. Concave
C. Plane
D. All are correct
Answer» D. All are correct
37.

Bomb calorimeter is used for determining

A. Calorific value of fuel
B. Gravity of fuel
C. Cetane number of fuel
D. SAE number of fuel
Answer» B. Gravity of fuel
38.

The knife moves on the

A. Guard
B. Wearing plate
C. Ledger plate
D. All are correct
Answer» D. All are correct
39.

The counter weight on a crankshaft is located opposite to

A. Small end bearing
B. Big end bearing
C. Main bearing
D. None of these
Answer» C. Main bearing
40.

The firing interval of 2-stroke two-cylinder engine is

A. 180
B. 360
C. 120
D. 720
Answer» C. 120
41.

The most commonly used method for determination of centre of gravity of tractor is

A. Suspension method
B. Balancing method
C. Weighing method
D. All are correct
Answer» B. Balancing method
42.

I-head type valves are generally used in

A. Tractor engines
B. Stationary engines
C. Steam engines
D. Both (a) & (b)
Answer» E.
43.

When the bulk density of medium to fine textured subsoil exceeds about 1.7 g/cc the value of hydraulic conductivity of soil is

A. Low
B. Medium
C. High
D. None of these
Answer» B. Medium
44.

Back furrow and dead furrows are left while ploughing with

A. One-way plough
B. Two-way plough
C. Both (a) & (b)
D. None of these
Answer» C. Both (a) & (b)
45.

The permissible slip for crawler tractor during slippage testing is

A. 3 to 5%
B. 7 to 10%
C. 15 to 20%
D. 20 to 30%
Answer» C. 15 to 20%
46.

Unit of noise is

A. Kg per sq.cm
B. Decible
C. Both (a) & (b)
D. None of these
Answer» C. Both (a) & (b)
47.

Viscosity measured in

A. Centistokes
B. Centipoises
C. Redwood seconds
D. All are correct
Answer» E.
48.

Surface planting with conservation feature of contour listing is

A. Flat planting
B. Furrow planting
C. Ridge planting
D. None of these
Answer» D. None of these
49.

Lean air fuel mixture is required for

A. Starting
B. Cruising
C. Idling
D. All are correct
Answer» C. Idling
50.

The main advantage of LSU dryer is

A. Shorter drying period
B. Maximum drying capacity
C. Minimum drying losses
D. All are correct
Answer» E.